<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
    </head>
    <body>
        <div class="box">这是一个box</div>
        <div class="box2">这是box2</div>
        <h3><span><input type="text"></span></h3>
    </body>
    <script src="js96.js"></script>
</html>